Monday 8 February 2016

Root of quadratic equation by accepting coefficients

Code:

<!DOCTYPE html>
<html>
<body>
<center>
<h1>Root of a Quadratic equation by accepting coefficients</h1>
<?php
    if (isset($_POST['find']))
    {
        $a=$_POST['a'];
        $b=$_POST['b'];
        $c=$_POST['c'];
        $temp=sqrt($b*$b-4*$a*$c);
        $root1=(-$b+$temp)/(2*$a);
        $root2=(-$b-$temp)/(2*$a);
        echo "<h4>Roots of the Quadratic Equation are: ".$root1." and ".$root2."</h4>";
    }
?>
<form method="post" action="index.php">
    Enter value of a: <input type="number" name="a">
    Enter value of b: <input type="number" name="b">
    Enter value of c: <input type="number" name="c">
    <input type="submit" value="Calculate" name="find">
</form>
</center>
</body>
</html>


Output:

 


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